" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
g(a) = 15
g(a) = 2a² - 3
15 = 2a² - 3
- 2a² = - 3 - 15
- 2a² = - 18
a² = -18/-2
a² = 9
a = √9
a = 3